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Journal Article

Fault Reactivation and Ground Surface Uplift Assessment at a Prospective German CO2 Storage Site

Authors
/persons/resource/roehmann

Roehmann,  Lina
5.3 Hydrogeology, 5.0 Earth Surface Processes, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/etillner

Tillner,  Elena
5.3 Hydrogeology, 5.0 Earth Surface Processes, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/fabienma

Magri,  Fabien
5.3 Hydrogeology, 5.0 Earth Surface Processes, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/mkuehn

Kühn,  Michael
5.3 Hydrogeology, 5.0 Earth Surface Processes, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/kempka

Kempka,  Thomas
5.3 Hydrogeology, 5.0 Earth Surface Processes, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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Citation

Roehmann, L., Tillner, E., Magri, F., Kühn, M., Kempka, T. (2013): Fault Reactivation and Ground Surface Uplift Assessment at a Prospective German CO2 Storage Site. - Energy Procedia, 40, 437-446.
https://doi.org/10.1016/j.egypro.2013.08.050


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_247825
Abstract
The present study assesses potential geomechanical impacts of pore pressure increase induced by CO2 injection at a prospective CO2 storage site located in the Middle Bunter sequence in Eastern Germany. A 3D supraregional-scale structural geological model was implemented in one-way coupled hydro-mechanical simulations to assess caprock and fault integrity. Simulation results show a maximum ground uplift of 0.021 m at the end of CO2 injection, while shear failure observed at the simulated time steps does not achieve a significant density in the entire model. Consequently, reservoir, caprock and fault integrity are not compromised at any time of CO2 injection operation.